EP1841283A2 - Appareil de correction auditive portable dans l'oreille avec un canal d'aération - Google Patents

Appareil de correction auditive portable dans l'oreille avec un canal d'aération Download PDF

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Publication number
EP1841283A2
EP1841283A2 EP06126865A EP06126865A EP1841283A2 EP 1841283 A2 EP1841283 A2 EP 1841283A2 EP 06126865 A EP06126865 A EP 06126865A EP 06126865 A EP06126865 A EP 06126865A EP 1841283 A2 EP1841283 A2 EP 1841283A2
Authority
EP
European Patent Office
Prior art keywords
hearing aid
channel
sound
ear
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06126865A
Other languages
German (de)
English (en)
Other versions
EP1841283A3 (fr
Inventor
Gerhard Röhrlein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sivantos GmbH
Original Assignee
Siemens Audiologische Technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Audiologische Technik GmbH filed Critical Siemens Audiologische Technik GmbH
Publication of EP1841283A2 publication Critical patent/EP1841283A2/fr
Publication of EP1841283A3 publication Critical patent/EP1841283A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • H04R25/654—Ear wax retarders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/77—Design aspects, e.g. CAD, of hearing aid tips, moulds or housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts

Definitions

  • the invention relates to a hearing aid device that can be worn in the ear and has a housing which has a first housing area facing the eardrum of a user and a second housing area facing away from the eardrum, a cerumen protection device arranged in the first housing area with a non-porous membrane, a ventilation channel with one first, in the first housing portion located opening and a second, located in the second housing portion opening, a listener with a sound outlet and a sound channel between the sound outlet and the cerumen protection device.
  • Ventent In the ear portable hearing aids (Id0) generally have a ventilation duct (Vent), which creates a passage through the hearing aid from the wearer when wearing the eardrum remote from the housing side (faceplate) to the eardrum facing housing side. This serves to ventilate the auditory canal volume enclosed by the hearing aid, the barometric pressure compensation for this volume and to reduce the closure effect (occlusion effect).
  • Hearing aids especially in the ear hearing aids, are subject to contamination with earwax (cerumen).
  • cerumen penetrates into the sound outlet opening of the hearing aid device and blocks the sound channel between the hearing aid loudspeaker, also called receiver or receiver, and the sound outlet opening. This leads to a number of problems, ranging from acoustic impairments, to the uselessness of the hearing aid.
  • cap or bow-type guards are used, either as part of the hearing aid housing (see DE 38 02 250 C1 or US 5,327,500 ) or as an attachment or essay in the sound channel or on the hearing aid (see US 5,327,500 or EP 0 312 517 A2 ) may be formed.
  • the sound canal narrowing Cerumenschutz wornen are known, which may also have grid or chamber-shaped barriers and are intended for use in the sound channel or for placement on a spout (see US 4,972,488 ; US 5,970,157 ; WO 00/03561 or DE 36 16 648 A1 ).
  • cerumen protection devices A major problem is the cleaning of these cerumen protection devices.
  • the cerumen protection device In many cases, the cerumen protection device must be replaced from time to time, which is just connected with older hearing aid wearers with an often arduous walk to the acoustician. Therefore, cerumen protection devices have been proposed repeatedly, which are designed as porous or non-porous (gas-tight) membranes (see EP 310 866 A1 ; DE 196 40 796 A1 or US 6,164,409 ) and cover the sound outlet opening. As a result, the penetration of cerumen is largely prevented. Furthermore, such membranes are easier to clean compared to other cerumen protection devices. But even these must be easily replaced if damaged. Therefore, a fixed installation prohibits.
  • Gas-tight membranes provide the greatest protection in principle, but require the use of modified handset to ensure the barometric pressure equalization.
  • the associated outlet on the outside of the device (faceplate) also requires a corresponding additional space requirement. It must also be ensured that the cerumen protection device securely connected to the sound channel and close tightly with this. In the case of a cerumen protective device which can be inserted into the sound channel, this is hitherto usually effected by a thickening which closely adjoins the sound channel, which is bead-shaped or barb-shaped or has other elements such as webs, knobs, etc.
  • a hearing aid according to the preamble of the first claim is known from US 6,164,409 known.
  • a disadvantage of the known hearing aid is that a modified handset is required to ensure the barometric pressure equalization.
  • the object of the present invention is to achieve in a hearing aid worn in the ear with a Cerumenschutz affection comprising a non-porous membrane in a simple manner required for the listener barometric pressure equalization.
  • a sound tube In conventional hearing aids, a sound tube, usually in the form of an elastic sound tube, is present, one end of which is pushed over the sound outlet opening of the listener and the other end forms the sound outlet opening of the hearing aid.
  • the sound channel between the sound outlet of the listener and the sound outlet in the housing of the hearing aid only partially as a sound tube, for example in the form of an elastic sound tube executed.
  • the sound channel but also from the same material as the housing of the hearing aid manufactured and integrally connected to the housing.
  • the latter part of the sound channel can serve as a receptacle for the sound tube.
  • this part is then dimensioned so that the sound tube can be inserted accurately and thus held.
  • the holder thus formed may also have at least one Anformung in the form of a projection, barb, ridge, knobs, circumferential bead etc, which clamps the sound tube and thereby additionally fixed.
  • At least one indentation in the relevant part of the sound channel is provided, wherein the sonic tube used is provided with at least one corresponding outer projection, so that in this way an attachment of the sonic tube is effected in the recording, without losing the inner diameter of the sonic tube.
  • the part of the sound channel pointing in the direction of the eardrum when the hearing aid is worn is designed as a receptacle for the detachable connection of a cerumen protection device to the hearing aid device.
  • the cerumen protection device comprises a non-porous and thus air-impermeable membrane, which is preferably made of a metal, an alloy or a plastic, such as plastic.
  • the membrane is also made relatively thin so that it transmits the sound generated by the listener. Through the membrane of the sound channel between the listener and the membrane is gas-tight with respect to the inner ear completed. In order for the membrane to remain functional, a barometric pressure equalization must take place for the sound channel.
  • modified earphones can be provided, which generate an air-permeable channel between the back volume of the listener and the hearing aid outside or the interior of the hearing aid, if the latter in turn has an air-permeable connection to the outside of the hearing aid.
  • these modified handsets are relatively expensive.
  • a pressure equalization channel is therefore provided to ensure the barometric pressure equalization of the listener, which opens into the sound channel between the listener and the non-porous membrane.
  • the pressure equalization channel opens at its other end preferably in the already existing ventilation duct, instead of being led separately to the outside. Thus, no further housing opening in the housing of the hearing aid is required. This saves space and also has acoustic advantages. It may be advantageous if the pressure equalization channel opens at a relatively far away from the hearing aid when the hearing aid device facing the eardrum side facing body in the ventilation duct. As a result, contamination of the pressure compensation channel by cerumen is largely prevented.
  • the pressure equalization channel can also open into the ventilation channel at a point closer to the side of the housing facing the eardrum.
  • the exact arrangement of the said location is preferably also taking into account acoustic conditions.
  • the pressure equalization channel can also run directly or at least approximately along the shortest connecting line between the sound channel and the ventilation channel.
  • the pressure equalization channel creates a passage of the at least largely hermetically sealed sound channel into the interior of the hearing aid, said interior through housing openings, which are required for example for the arrangement of controls or the battery compartment, opposite the area outside of the hearing aid is permeable to air. Also by this measure can thus be effected a barometric pressure equalization for the sound channel.
  • the ventilation duct can also be designed in such a way that it creates a direct connection from the sound channel between the receiver and the membrane and the space surrounding the hearing aid device and opens, for example, in the faceplate.
  • the cerumen protection device preferably comprises a fixed in a carrier, non-porous and thus gas-tight membrane.
  • the carrier in turn is fastened in a receptacle in the region of the sound outlet opening in the housing of the hearing aid device or in the sound channel.
  • the receptacle is advantageously dimensioned so that the cross section of the sound channel is not narrowed by the cerumen protection device. If an exchange of the cerumen protection device is necessary, this can be done by means of a suitable tool, whereby the membrane of the old cerumen protection device can be destroyed during the replacement.
  • the production of a hearing aid according to the invention is preferably carried out with a computer-aided manufacturing method, in which first data about the individual course of the ear canal of a person are determined. From the digital representation of the internal contours of the respective ear canal, a virtual image of a hearing aid device is then first designed that exactly matches the relevant ear canal. Components of the hearing aid device (microphones, earphones, voltage source, electronics, etc.) can be virtually placed in this computer model. Also, the location of the cerumen protection device as well as the necessary for their attachment recording in the housing of the hearing aid can be as already determined on the computer model.
  • the start and end points of the pressure equalization channel according to the invention and the exact course of the pressure equalization channel can already be planned on the basis of the computer model.
  • the production of the shell of the hearing aid with the integrated recordings for the cerumen protector and the sonic tube and with the pressure equalization channel according to The invention then takes place in a computer-controlled fabrication process, for example by means of laser sintering, stereolithography or a thermojet printing process.
  • a real hearing aid housing is produced exactly according to the image of the three-dimensional computer model.
  • the hearing aid device according to the invention carried in the ear does not necessarily have to comprise all the components required to care for a deaf person. Rather, it is also possible that the hearing aid according to the invention contains only the listener, and all other necessary, electrical or electronic components are included in another device, which is worn outside the ear canal, for example, behind the ear.
  • the existing between the other device and the hearing aid connection is preferably wired, but it can also be designed as an electromagnetic radio link, etc ..
  • the latter is conventionally used as a faceplate designated.
  • the hearing aid device 1 is traversed between the first and the second housing region by a ventilation channel 4 for ventilating the auditory canal volume enclosed by the hearing aid device 1 when the hearing aid device 1 is worn.
  • the housing of the hearing aid 1 are at least one microphone 5 for receiving an acoustic input signal and conversion of this signal into an electrical signal, a signal processing unit 6 for processing and frequency-dependent amplification of the electrical signal and a receiver 7 for converting the processed signal into an acoustic signal , which is supplied via a sound channel 8 to the user's hearing.
  • a voltage source 10 in the form of a battery or a rechargeable battery is provided for supplying power to the electronic components of the hearing aid device 1.
  • a part 13 of the faceplate 3 of the remaining housing is solvable. If necessary, this detachable part 13 can also be provided with operating elements (not shown).
  • a portion of this sound channel 8 is formed by a sound tube 8A, one end of which is pushed over a sound outlet 7A in the form of a sound outlet nozzle of the earpiece 7, and the other end is fixed and fixed in a receptacle 8B formed as part of the housing.
  • the sound tube 8A for example, an elastic sound tube can be used.
  • the front, that is, in the eardrum facing, the first housing portion 2 opening portion of the sound channel 8 is formed directly by the surrounding the sound channel 8 housing material of the hearing aid 1. So that the sound channel 8 or the handset 7 is not clogged with ear wax (cerumen), a cerumen protection device 9 is provided in the mouth of the sound channel 8 in the first housing portion 2, which prevents the entry of cerumen into the sound channel 8.
  • the cerumen protection device 9 is provided with a non-porous and thus gas-impermeable membrane. This would be the sound channel 8 closed between the receiver 7 and the sound outlet without additional measures gas-tight. However, in order for the receiver 7 to remain functional even with variations in air pressure, a barometric pressure compensation for the enclosed volume is required. According to the invention this is achieved by a pressure equalization channel 11, which connects the sound channel 8 with the ventilation channel 4 in the embodiment.
  • the pressure compensation channel 11 does not connect the sound channel 8 to the ventilation channel 4 by the shortest route. Rather, the pressure equalization channel 11 opens into the ventilation channel 4 at a point 12 which is closer to the opening of the ventilation channel 4 in the second housing region 3 (FIG. Faceplate) than at the opening in the first housing portion 2 is located. This has an influence on the acoustic transmission behavior of the hearing aid 1 and reduces the feedback tendency. In addition, this configuration of the pressure compensation channel 11 acts a possible contamination or obstruction, e.g. through cerumen, contrary. Furthermore, no opening in the housing shell of the hearing aid 1 for the pressure equalization channel 11 is required in this embodiment.
  • the pressure equalization channel could also open separately in the faceplate 3 and thus have no direct connection to the ventilation channel 4 (not shown). Then, however, would have to be provided in addition to the opening for the ventilation duct, a further opening for the pressure equalization channel in the faceplate 3.
  • FIG. 2 shows a further exemplary embodiment of a hearing aid according to the invention.
  • this hearing aid device also comprises a first housing region 2 'facing the eardrum when the hearing aid is worn, and a receiver 7' having a sound outlet opening 7A '.
  • a sound tube 8A ' forms a portion of the sound channel 8 '.
  • Another section is formed integrally with the housing of the hearing aid and comprises a receptacle 8B 'for the sound tube 8A'.
  • This receptacle has a slightly smaller diameter than the sonic tube 8A ', so that the sonic tube 8A' is held in the receptacle.
  • the receptacle is advantageously provided with at least one Anformung (knobs, wedge, bead ring etc.), through which the sound tube 8A 'is additionally fixed.
  • the two wedge-shaped projections 8C ' are provided for this purpose.
  • the receptacle 8B 'for the sound tube 8A' still another Anformung 8D ', which is designed as an annular bead in the sound channel 8' and a stop for the sound tube 8A 'generates, so that the sound tube 8A' only until can be introduced to this stop in the recording provided for this purpose.
  • the membrane 9A ' terminates at least substantially flush with the surface of the surface of the hearing aid, so that the membrane 9A' can easily, e.g. by wiping, can be cleaned.
  • the pressure equalization by means of a pressure equalization channel 11 ' should also be done in this embodiment.
  • the sound channel 8 ' is connected to the ventilation channel 4' through the pressure equalization channel 11 'in a relatively short path. This has an effect on the acoustic transmission behavior of the hearing aid in question.
  • FIG. 3 A further embodiment of the invention is shown in FIG. 3.
  • the illustrated components which are provided with two-pointed reference numerals, largely correspond to those in FIGS. 1 and 2 illustrated components.
  • the pressure equalization does not take place via the ventilation channel 4 ", but instead the pressure equalization channel 11" opens into the interior of the hearing aid device shown. This is possible because the housing of the hearing aid, for example, by housing openings for a battery compartment, controls and the like, anyway never fully sealed to the outside and therefore the barometric pressure compensation can also be done on the housing interior.
  • the hearing aids which can be worn in the ear according to the embodiments are preferably made according to a manufacturing method known from the field of rapid prototyping, e.g. SLS or SLA produced.
  • This has the advantage that in the process a three-dimensional computer model of the respective hearing aid device is first generated before the actual housing is produced as a very accurate image of this computer model in a largely automated and computer-controlled manufacturing process. All details of the housing and integrally formed with this housing formations can thus be determined before the actual production of the computer model.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Telephone Set Structure (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
EP06126865.2A 2006-02-21 2006-12-21 Appareil de correction auditive portable dans l'oreille avec un canal d'aération Withdrawn EP1841283A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006008044A DE102006008044B3 (de) 2006-02-21 2006-02-21 Im Ohr tragbares Hörhilfegerät mit einem Belüftungskanal

Publications (2)

Publication Number Publication Date
EP1841283A2 true EP1841283A2 (fr) 2007-10-03
EP1841283A3 EP1841283A3 (fr) 2016-05-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06126865.2A Withdrawn EP1841283A3 (fr) 2006-02-21 2006-12-21 Appareil de correction auditive portable dans l'oreille avec un canal d'aération

Country Status (5)

Country Link
US (1) US7983434B2 (fr)
EP (1) EP1841283A3 (fr)
JP (1) JP4206117B2 (fr)
CN (1) CN101026904B (fr)
DE (1) DE102006008044B3 (fr)

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US12183341B2 (en) 2008-09-22 2024-12-31 St Casestech, Llc Personalized sound management and method
US12193841B2 (en) 2014-12-10 2025-01-14 The Diablo Canyon Collective Llc Sensor control of an audio device
US12249326B2 (en) 2007-04-13 2025-03-11 St Case1Tech, Llc Method and device for voice operated control
US12256188B2 (en) 2018-03-09 2025-03-18 Earsoft, Llc Eartips and earphone devices, and systems and methods therefore
US12289576B2 (en) 2007-07-12 2025-04-29 St Tiptech, Llc Expandable sealing devices and methods
US12581233B2 (en) 2007-04-13 2026-03-17 ST Case 1 Tech, LLC Method and device for voice operated control
US12586680B2 (en) 2007-02-01 2026-03-24 St Famtech, Llc Method and device for audio recording
US12591407B2 (en) 2014-10-24 2026-03-31 St R&Dtech, Llc Robust voice activity detector system for use with an earphone

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US11700495B2 (en) 2008-10-15 2023-07-11 Staton Techiya Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
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US11956600B2 (en) 2008-10-15 2024-04-09 The Diablo Canyon Collective Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
US10897678B2 (en) 2008-10-15 2021-01-19 Staton Techiya, Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
US11638109B2 (en) 2008-10-15 2023-04-25 Staton Techiya, Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
US11223918B2 (en) 2008-10-15 2022-01-11 Staton Techiya, Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
US10979831B2 (en) 2008-10-15 2021-04-13 Staton Techiya, Llc Device and method to reduce ear wax clogging of acoustic ports, hearing aid sealing system, and feedback reduction system
US12591407B2 (en) 2014-10-24 2026-03-31 St R&Dtech, Llc Robust voice activity detector system for use with an earphone
US12193841B2 (en) 2014-12-10 2025-01-14 The Diablo Canyon Collective Llc Sensor control of an audio device
US12256188B2 (en) 2018-03-09 2025-03-18 Earsoft, Llc Eartips and earphone devices, and systems and methods therefore

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CN101026904A (zh) 2007-08-29
US7983434B2 (en) 2011-07-19
DE102006008044B3 (de) 2007-05-10
US20070206826A1 (en) 2007-09-06
CN101026904B (zh) 2011-06-08
JP2007228580A (ja) 2007-09-06
JP4206117B2 (ja) 2009-01-07
EP1841283A3 (fr) 2016-05-04

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